package com.hbnu.abstract1;

/**
 * @author kittychen
 * @date 2025-09-16 10:33
 */
public interface InterfaceDemo01 {

    /*public static final */double PI = 3.1415926;

    // 默认省略了：public static final
    int R = 2;

    public abstract void method01();

    // 默认省略了：public abstract
    void method02();

}
